Submission #629081

#	Time	Username	Problem	Language	Result	Execution time	Memory
629081		handlename	Rarest Insects (IOI22_insects)	C++17	Compilation error	0 ms	0 KiB

insects

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
set<int> s;
void add(int i){
	move_inside(i);
	s.insert(i);
}
void rem(int i){
	move_outside(i);
	s.erase(i);
}
int min_cardinality(int n){
	for (int i=0;i<n;i++){
		add(i);
		if (press_button()>1){
			rem(i);
		}
	}
	int mini=1,maxi=n+1,sz=s.size();
	while (mini+1<maxi){
		int mid=(mini+maxi)/2;
		set<int> added;
		for (int i=0;i<n;i++){
			if (s.find(i)!=s.end()) continue;
			add(i);
			if (press_button()>mid) rem(i);
			else added.insert(i);
		}
		if ((int)s.size()==sz*mid){
			mini=mid;
		}
		else {
			maxi=mid;
			for (auto i:added) rem(i);
		}
	}
	return mini;
}

Compilation message (stderr)

insects.cpp: In function 'void add(int)':
insects.cpp:7:2: error: 'move_inside' was not declared in this scope
    7 |  move_inside(i);
      |  ^~~~~~~~~~~
insects.cpp: In function 'void rem(int)':
insects.cpp:11:2: error: 'move_outside' was not declared in this scope
   11 |  move_outside(i);
      |  ^~~~~~~~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:17:7: error: 'press_button' was not declared in this scope
   17 |   if (press_button()>1){
      |       ^~~~~~~~~~~~
insects.cpp:28:8: error: 'press_button' was not declared in this scope
   28 |    if (press_button()>mid) rem(i);
      |        ^~~~~~~~~~~~